Carshalton High School for Girls vs St Mary's RC Junior School
A head-to-head comparison of two schools in London, England, 576 m apart, using official English 2025 data. The better value in each row is highlighted.
Carshalton High School for Girls
Carshalton · Academy secondary · Ages 11–18
1,394 students
St Mary's RC Junior School
Carshalton · Local authority primary · Ages 7–11
361 students
| Measure | Carshalton High School for Girls Carshalton, London | St Mary's RC Junior School Carshalton, London |
|---|---|---|
| Success Index (England) | 67 Top 50% | 81 Top 25% |
| Region rank | #243 of 640 | #334 of 1,720 |
| National rank | #1160 of 4,090 | #2022 of 15,697 |
| Sector | Academy | Local authority |
| Type | Secondary | Primary |
| Year range | Ages 11–18 | Ages 7–11 |
| Students | 1,394 | 361 |
| Pupils on roll | 1,394 | 361 |
| Free school meals | 27.1% | 6.4% |
| Capacity filled | 116.5% | 100.3% |
| KS2 expected standard (RWM) | – | 71% |
| KS2 higher standard (RWM) | – | 24% |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | 52.4 | – |
| Progress 8 | – | – |
| Grade 5+ English & maths | 59.9% | – |
| Grade 4+ English & maths | 79.8% | – |
| EBacc average points | 4.91 | – |
| A level points per entry | 30.9 | – |
| town | Carshalton | Carshalton |
| region | London | London |
| Website | www.chsg.org.uk/ | www.stmarysjunior.org.uk |
The verdict
- •St Mary's RC Junior School scores higher on the Success Index (England) (80.9 vs 66.8).
- •Carshalton High School for Girls is the larger school with 1,394 students compared with 361.
- •Carshalton High School for Girls is a academy school while St Mary's RC Junior School is a local authority school, so fees and admission rules differ.
- •Carshalton High School for Girls is girls and St Mary's RC Junior School is co-educational.
The Success Index (England) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Carshalton High School for Girls better than St Mary's RC Junior School?
On the Success Index (England), St Mary's RC Junior School ranks higher (80.9 vs 66.8 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Carshalton High School for Girls and St Mary's RC Junior School?
About 576 m in a straight line, between Carshalton and Carshalton in London.
Which has the better Pupils on roll?
Carshalton High School for Girls: 1,394. St Mary's RC Junior School: 361. Number of pupils in the latest school census.
How do Carshalton High School for Girls and St Mary's RC Junior School rank in London?
Carshalton High School for Girls is 243rd of 640 and St Mary's RC Junior School is 334th of 1,720 among secondary schools in London on the 2025 Success Index (England).